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output: always use hardware cursors if available

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This changes the `wlr_output_impl.set_cursor` function to take a
`wlr_texture` instead of a byte buffer. This simplifies the
DRM and Wayland backends since they were creating textures from
the byte buffer anyway.

With this commit, performance should be improved when moving the
cursor since outputs don't need to be re-rendered anymore.
This commit is contained in:
emersion 2018-05-01 21:38:04 +01:00
parent 509d38425c
commit 225d182765
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GPG key ID: 0FDE7BE0E88F5E48
6 changed files with 113 additions and 140 deletions
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33
backend/drm/drm.c
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@ -537,8 +537,8 @@ static void drm_connector_transform(struct wlr_output *output,
}
static bool drm_connector_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y, bool update_pixels) {
struct wlr_texture *texture, int32_t hotspot_x, int32_t hotspot_y,
bool update_texture) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
struct wlr_drm_renderer *renderer = &drm->renderer;
@ -567,11 +567,6 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
ret = drmGetCap(drm->fd, DRM_CAP_CURSOR_HEIGHT, &h);
h = ret ? 64 : h;
if (width > w || height > h) {
wlr_log(L_INFO, "Cursor too large (max %dx%d)", (int)w, (int)h);
return false;
}
if (!init_drm_surface(&plane->surf, renderer, w, h,
GBM_FORMAT_ARGB8888, 0)) {
wlr_log(L_ERROR, "Cannot allocate cursor resources");
@ -612,14 +607,22 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
wlr_output_update_needs_swap(output);
}
if (!update_pixels) {
if (!update_texture) {
// Don't update cursor image
return true;
}
plane->cursor_enabled = buf != NULL;
plane->cursor_enabled = false;
if (texture != NULL) {
int width, height;
wlr_texture_get_size(texture, &width, &height);
if (width > (int)plane->surf.width || height > (int)plane->surf.height) {
wlr_log(L_ERROR, "Cursor too large (max %dx%d)",
(int)plane->surf.width, (int)plane->surf.height);
return false;
}
if (buf != NULL) {
uint32_t bo_width = gbm_bo_get_width(plane->cursor_bo);
uint32_t bo_height = gbm_bo_get_height(plane->cursor_bo);
@ -635,13 +638,6 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
struct wlr_renderer *rend = plane->surf.renderer->wlr_rend;
struct wlr_texture *texture = wlr_texture_from_pixels(rend,
WL_SHM_FORMAT_ARGB8888, stride, width, height, buf);
if (texture == NULL) {
wlr_log(L_ERROR, "Unable to create texture");
return false;
}
wlr_renderer_begin(rend, plane->surf.width, plane->surf.height);
wlr_renderer_clear(rend, (float[]){ 0.0, 0.0, 0.0, 0.0 });
wlr_render_texture(rend, texture, plane->matrix, 0, 0, 1.0f);
@ -652,8 +648,9 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
swap_drm_surface_buffers(&plane->surf, NULL);
wlr_texture_destroy(texture);
gbm_bo_unmap(plane->cursor_bo, bo_data);
plane->cursor_enabled = true;
}
if (!drm->session->active) {